In agriculture, the loss of important nutrients from the soil, carried away when too much water flows through it.
In agriculture, the loss of important nutrients from the soil, carried away when too much water flows through it. More generally, leaching means the extraction of any substance from its original carrier, by a liquid flowing through it. Leaching is often used industrially to extract metal ores from the rocks that bear them, and in waste tips can contribute to environmental pollution of groundwater.
More generally, leaching means the extraction of any substance from its original carrier, by a liquid flowing through it. Leaching is often used industrially to extract metal ores from the rocks that bear them, and in waste tips can contribute to environmental pollution of groundwater.